1	[国标] GB /T 14 - 2013	扁圆头方颈螺栓 Mushroom Head Square Neck Bolts 供应商(6)
2	[国标] GB /T 14 - 1998	大半圆头方颈螺栓 Cup head square neck bolts with large head 供应商(6)
3	[国标] GB /T 14 - 1988	C级大半圆头方颈螺栓 Cup Head Square Bolts With Large Head - Grade C 供应商(6)
4	[国标] GB 14 - 1976	大半圆头方颈螺栓 Cup head square neck bolts with large head 供应商(6)
5	[德标] DIN 603 - 2017	大半圆头方颈螺栓 Cup Head Square Neck Bolts 供应商(15)
6	[德标] DIN 603 - 2010	大半圆头方颈螺栓 Mushroom head square neck bolts 供应商(15)
7	[德标] DIN 603 - 1981	大半圆头方颈螺栓 Mshroom head square neck bolts 供应商(15)
8	[德标] DIN 11015 - 1995	农业机械用平头方颈螺栓 Agricultural Machinery - Flat Countersunk Square Neck Bolts With Short Square
9	[国际] ISO 8677 - 1986	大半圆头方颈螺栓 C级 Cup Head Square Neck Bolts With Large Head-Product Grade C
10	[日标] JIS B 1171 (AT1) - 1996	大半圆头方颈螺栓 [表1] Cup head square neck bolts（Large size）[Table 1]
11	[汽标代号] Q 192B	大半圆头方颈螺栓 Cup head square neck bolts with large head
12	[美标] ASME/ANSI B 18.5 - 2012	美制大半圆头台阶螺栓 [Table 6] Step Bolts,(Inch Series) 供应商(2)
13	[美标] ASME/ANSI B 18.5 - 2008	大半圆头马车螺栓Table6 Step Bolts 供应商(2)
14	[美标] ASME/ANSI B 18.5.2.3M - 1998	米制大圆头方颈螺栓 Metric round head square neck bolts with large head
15	[意大利] UNI 5731 - 1965	带方螺母的方颈圆头螺栓米制粗牙 C级 Cup square bolts and bolts with square nut - ISO metric coarse thread - Finish C
16	[意大利] UNI 5732 - 1965	带六角螺母大半圆头方颈螺栓 Cup square bolts with hexagon nut - ISO metric coarse thread - Finish C
17	[法国] NF E 27-351 - 1969	大半圆头方颈螺栓 Round Head Square Neck Bolts - JAPY Type
18	[英标] BS 4933 - 1973	米制大半圆头马车螺栓 Metric Cup Square Bolts
19	[台湾] CNS 4425 - 1981	纺织机用大平圆头方颈螺栓 Cup Square Bolts With Enlarged Head For Looms
20	[台湾] CNS 4574 - 1981	A型平圆头（平圆头方颈螺栓） Cover Bolts Type A
21	[俄标] GOST 7802 - 1981	大半圆头方颈螺栓 C级 Increased cup head square shoulder bolts, product grade C
22	[美标] ASME B 18.5 - 2012 (2017)	美制大半圆头台阶螺栓 [Table 6] Step Bolts,(Inch Series) 供应商(2)